Question 1

Which of the following CD markers are more appropriately associated with the myelocyte?

Accepted Answer

A) CD4, CD8 
B) CD33, CD13, CD14 
C) CD45, CD33, CD13 
D) CD19, CD22 
A) CD4, CD8 
B) CD33, CD13, CD14 
C) CD45, CD33, CD13 
D) CD19, CD22 C

Question 2

The spleen harbors approximately ___ of the white blood cell population

Accepted Answer

A) one-fourth 
B) one-half 
C) one-third 
D) three-fourths 
A) one-fourth 
B) one-half 
C) one-third 
D) three-fourths A

Question 3

The initial appearance of specific granulation in the granulocytic series is predominantly seen in the:

Accepted Answer

A) Promyelocyte 
B) Metamyelocyte 
C) Myelocyte 
D) Eosinophil 
A) Promyelocyte 
B) Metamyelocyte 
C) Myelocyte 
D) Eosinophil C

Question 4

The N:C ratio in a myeloblast is:

Accepted Answer

A) 2:1 
B) 4:1 
C) 3:1 
D) 5:1 
A) 2:1 
B) 4:1 
C) 3:1 
D) 5:1

Question 5

Monocytes recognize foreign antigens and present them to which of the following cells?

Accepted Answer

A) B cells 
B) T cells 
C) Neutrophils 
D) NK cells 
A) B cells 
B) T cells 
C) Neutrophils 
D) NK cells

Question 6

The amount of time a granulocyte spends in the circulation before migrating into the tissues is normally:

Accepted Answer

A) 8 hours 
B) 48 hours 
C) 5 days 
D) 20 days 
A) 8 hours 
B) 48 hours 
C) 5 days 
D) 20 days

Question 7

Mature neutrophils have large, evenly sized, bright orange granules in their cytoplasm.

Accepted Answer

A) True 
 B)False

Question 8

All of the following are features of the lymphatic system except:

Accepted Answer

A) Stimulation of the kidney by EPO 
B) Blood filtration 
C) Antibody generation 
D) Lymphopoiesis 
A) Stimulation of the kidney by EPO 
B) Blood filtration 
C) Antibody generation 
D) Lymphopoiesis

Question 9

There are ___ maturation stages in the neutrophil.

Accepted Answer

A) five 
B) four 
C) three 
D) six 
A) five 
B) four 
C) three 
D) six

Question 10

The absolute WBC count refers to the percentage of a particular cell counted from the 100 WBC differential.

Accepted Answer

A) True 
 B)False

Question 11

The primary function of lymphocytes is immunologic.

Accepted Answer

A) True 
 B)False

Question 12

At present, most lymphocyte subpopulations are recognized by their CD markers. CD refers to:

Accepted Answer

A) Codon designation 
B) Cluster designation 
C) Cytoplasmic designation 
D) Cytokine designation 
A) Codon designation 
B) Cluster designation 
C) Cytoplasmic designation 
D) Cytokine designation

Question 13

An adult has a total white blood cell count of 4.0 $\times$ 109/L.The differential count is as follows: Segmented neutrophils 25%
Lymphocytes 65%
Bands 5%
Monocytes 5%
If the normal values for absolute lymphocyte count are 1.2 to 3.4 $\times$ 109/L, which of the following is true?

Accepted Answer

A) The absolute number of lymphocytes is low. 
B) There is an absolute lymphocytosis. 
C) There is a relative lymphocytosis. 
D) There is an absolute and a relative lymphocytosis. 
A) The absolute number of lymphocytes is low. 
B) There is an absolute lymphocytosis. 
C) There is a relative lymphocytosis. 
D) There is an absolute and a relative lymphocytosis.

Question 14

The plasma cell is responsible for:

Accepted Answer

A) Humoral immunity 
B) Cell-mediated immunity 
C) Tumor suppression 
D) Delayed hypersensitivity 
A) Humoral immunity 
B) Cell-mediated immunity 
C) Tumor suppression 
D) Delayed hypersensitivity

Question 15

The CBC results for a 3-month-old child are as follows: WBC 9.5 $\times$ 109/L Differential
RBC 3.4 $\times$ 1012/L Segmented neutrophils 25%
Hgb 6.7 g/dL Lymphocytes 75%
Hct 25%
The absolute lymphocyte count in this patient would be:

Accepted Answer

A) 1.2 $\times$ 109/L 
B) 2.4 $\times$ 109/L 
C) 7.1 $\times$ 109/L 
D) 7.5 $\times$ 109/L 
A) 1.2 $\times$ 109/L 
B) 2.4 $\times$ 109/L 
C) 7.1 $\times$ 109/L 
D) 7.5 $\times$ 109/L

Question 16

Lymphocyte production differs from myeloid cell production in that there are two major sites of cellular production.

Accepted Answer

A) True 
 B)False

Question 17

The myeloid stem cell produces cell lines that end in the production of granulocytes, monocytes, platelets, and red blood cells.

Accepted Answer

A) True 
 B)False

Question 18

The "marginating pool" of neutrophils is located:

Accepted Answer

A) In the kidneys 
B) In the tissue 
C) Next to marrow sinuses 
D) On the blood vessel walls 
A) In the kidneys 
B) In the tissue 
C) Next to marrow sinuses 
D) On the blood vessel walls

Question 19

Lymphocyte concentrations in peripheral blood are greatest during what age interval?

Accepted Answer

A) Immediately after birth 
B) Older adult (40 to 70 years) 
C) Young adult (16 to 40 years) 
D) Young child (1 to 4 years) 
A) Immediately after birth 
B) Older adult (40 to 70 years) 
C) Young adult (16 to 40 years) 
D) Young child (1 to 4 years)

Question 20

It is possible for a patient to have a relatively high lymphocyte count, but with a low white blood cell count, the absolute lymphocyte count may be normal.

Accepted Answer

A) True 
 B)False

Which of the following CD markers are more appropriately associated with the myelocyte?

The spleen harbors approximately ___ of the white blood cell population

The initial appearance of specific granulation in the granulocytic series is predominantly seen in the:

The N:C ratio in a myeloblast is:

Monocytes recognize foreign antigens and present them to which of the following cells?

The amount of time a granulocyte spends in the circulation before migrating into the tissues is normally:

Mature neutrophils have large, evenly sized, bright orange granules in their cytoplasm.

All of the following are features of the lymphatic system except:

There are ___ maturation stages in the neutrophil.

The absolute WBC count refers to the percentage of a particular cell counted from the 100 WBC differential.

The primary function of lymphocytes is immunologic.

At present, most lymphocyte subpopulations are recognized by their CD markers. CD refers to:

An adult has a total white blood cell count of 4.0 $\times$ 10⁹/L.The differential count is as follows: Segmented neutrophils 25% Lymphocytes 65% Bands 5% Monocytes 5% If the normal values for absolute lymphocyte count are 1.2 to 3.4 $\times$ 10⁹/L, which of the following is true?

The plasma cell is responsible for:

The CBC results for a 3-month-old child are as follows: WBC 9.5 $\times$ 10⁹/L Differential RBC 3.4 $\times$ 10¹²/L Segmented neutrophils 25% Hgb 6.7 g/dL Lymphocytes 75% Hct 25% The absolute lymphocyte count in this patient would be:

Lymphocyte production differs from myeloid cell production in that there are two major sites of cellular production.

The myeloid stem cell produces cell lines that end in the production of granulocytes, monocytes, platelets, and red blood cells.

The "marginating pool" of neutrophils is located:

Lymphocyte concentrations in peripheral blood are greatest during what age interval?

It is possible for a patient to have a relatively high lymphocyte count, but with a low white blood cell count, the absolute lymphocyte count may be normal.

Introduction to Hematology and Basic Laboratory Practice

From Hematopoiesis to the Complete Blood Count

Blood Cell Production and Function and Relevant Red Cell Morphology

Hemoglobin Function and Principles of Hemolysis

The Microcytic Anemias

The Macrocytic Anemias

Normochromic Anemias: Biochemical and Membrane Disorders and Miscellaneous Red Cell Disorders

The Normochromic Anemias Due to Hemoglobinopathies

Abnormalities of White Cells: Quantitative, Qualitative, and the Lipid Storage Diseases

Acute Leukemias

Myeloproliferative Neoplasms

Lymphoproliferative Disorders and Related Plasma Cell Disorders

The Myelodysplastic Syndromes

Overview of Hemostasis and Platelet Physiology

Quantitative and Qualitative Platelet Disorders

Defects of Plasma Clotting Factors

Fibrinogen, Thrombin, and the Fibrinolytic System

Introduction to Thrombosis and Anticoagulant Therapy

Hematology Automation and Flow Cell Cytometry

Filters

Exam 9: Leukopoiesis and Leukopoietic Function

Which of the following CD markers are more appropriately associated with the myelocyte?

The spleen harbors approximately ___ of the white blood cell population

The initial appearance of specific granulation in the granulocytic series is predominantly seen in the:

The N:C ratio in a myeloblast is:

Monocytes recognize foreign antigens and present them to which of the following cells?

The amount of time a granulocyte spends in the circulation before migrating into the tissues is normally:

Mature neutrophils have large, evenly sized, bright orange granules in their cytoplasm.

All of the following are features of the lymphatic system except:

There are ___ maturation stages in the neutrophil.

The absolute WBC count refers to the percentage of a particular cell counted from the 100 WBC differential.

The primary function of lymphocytes is immunologic.

At present, most lymphocyte subpopulations are recognized by their CD markers. CD refers to:

An adult has a total white blood cell count of 4.0 ×\times× 109/L.The differential count is as follows: Segmented neutrophils 25% Lymphocytes 65% Bands 5% Monocytes 5% If the normal values for absolute lymphocyte count are 1.2 to 3.4 ×\times× 109/L, which of the following is true?

The plasma cell is responsible for:

The CBC results for a 3-month-old child are as follows: WBC 9.5 ×\times× 109/L Differential RBC 3.4 ×\times× 1012/L Segmented neutrophils 25% Hgb 6.7 g/dL Lymphocytes 75% Hct 25% The absolute lymphocyte count in this patient would be:

Lymphocyte production differs from myeloid cell production in that there are two major sites of cellular production.

The myeloid stem cell produces cell lines that end in the production of granulocytes, monocytes, platelets, and red blood cells.

The "marginating pool" of neutrophils is located:

Lymphocyte concentrations in peripheral blood are greatest during what age interval?

It is possible for a patient to have a relatively high lymphocyte count, but with a low white blood cell count, the absolute lymphocyte count may be normal.

Introduction to Hematology and Basic Laboratory Practice

From Hematopoiesis to the Complete Blood Count

Blood Cell Production and Function and Relevant Red Cell Morphology

Hemoglobin Function and Principles of Hemolysis

The Microcytic Anemias

The Macrocytic Anemias

Normochromic Anemias: Biochemical and Membrane Disorders and Miscellaneous Red Cell Disorders

The Normochromic Anemias Due to Hemoglobinopathies

Abnormalities of White Cells: Quantitative, Qualitative, and the Lipid Storage Diseases

Acute Leukemias

Myeloproliferative Neoplasms

Lymphoproliferative Disorders and Related Plasma Cell Disorders

The Myelodysplastic Syndromes

Overview of Hemostasis and Platelet Physiology

Quantitative and Qualitative Platelet Disorders

Defects of Plasma Clotting Factors

Fibrinogen, Thrombin, and the Fibrinolytic System

Introduction to Thrombosis and Anticoagulant Therapy

Hematology Automation and Flow Cell Cytometry

Filters

An adult has a total white blood cell count of 4.0 $\times$ 10⁹/L.The differential count is as follows: Segmented neutrophils 25% Lymphocytes 65% Bands 5% Monocytes 5% If the normal values for absolute lymphocyte count are 1.2 to 3.4 $\times$ 10⁹/L, which of the following is true?

The CBC results for a 3-month-old child are as follows: WBC 9.5 $\times$ 10⁹/L Differential RBC 3.4 $\times$ 10¹²/L Segmented neutrophils 25% Hgb 6.7 g/dL Lymphocytes 75% Hct 25% The absolute lymphocyte count in this patient would be: